EP2276644B1 - Raccord pour tubulure de remplissage - Google Patents

Raccord pour tubulure de remplissage Download PDF

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Publication number
EP2276644B1
EP2276644B1 EP09742172A EP09742172A EP2276644B1 EP 2276644 B1 EP2276644 B1 EP 2276644B1 EP 09742172 A EP09742172 A EP 09742172A EP 09742172 A EP09742172 A EP 09742172A EP 2276644 B1 EP2276644 B1 EP 2276644B1
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EP
European Patent Office
Prior art keywords
flap
neck
lower sealing
pipe
sealing flap
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP09742172A
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German (de)
English (en)
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EP2276644A2 (fr
Inventor
Ralf Gerdes
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gerdes GmbH
Original Assignee
Gerdes GmbH
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Filing date
Publication date
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Publication of EP2276644A2 publication Critical patent/EP2276644A2/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/04—Tank inlets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/04—Tank inlets
    • B60K15/0403—Anti-siphoning devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/04—Tank inlets
    • B60K15/0406—Filler caps for fuel tanks
    • B60K2015/0419—Self-sealing closure caps, e.g. that don't have to be removed manually
    • B60K2015/0429—Self-sealing closure caps, e.g. that don't have to be removed manually actuated by the nozzle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/04—Tank inlets
    • B60K15/0406—Filler caps for fuel tanks
    • B60K2015/0432—Filler caps for fuel tanks having a specific connection between the cap and the vehicle or tank opening
    • B60K2015/0445—Filler caps for fuel tanks having a specific connection between the cap and the vehicle or tank opening using hinges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K15/00—Arrangement in connection with fuel supply of combustion engines or other fuel consuming energy converters, e.g. fuel cells; Mounting or construction of fuel tanks
    • B60K15/03—Fuel tanks
    • B60K15/04—Tank inlets
    • B60K2015/0458—Details of the tank inlet
    • B60K2015/0483—Means to inhibit the introduction of too small or too big filler nozzles

Definitions

  • the invention relates to a Stutzenab gleich for a filler neck of a container, in particular a tank of a motor vehicle, comprising a pipe piece and a closure mechanism having an arranged in the pipe piece upper pivoting flap and a lower sealing flap disposed therebelow, wherein the upper pivoting flap and the lower sealing flap in the Pipe sockets are articulated on one side about a pivot point and by the pressure of an inserted filler pipe each upper pivot flap with its opposite end of the pivot point along a first circle segment track due to a pivoting movement about the pivot point can be opened and the lower sealing flap due to a pivoting movement about the pivot point along a second Circle segment track can be opened.
  • the lower sealing flap is arranged such that it is arranged in the closed state at an angle to the perpendicular to the nozzle axis (S) arranged cross-sectional plane.
  • Stutzenab are usually used without additional cover behind a pivoting flap for closing a fuel tank of a motor vehicle.
  • the invention is not limited to this application, but is to refer to all Stutzenab negotiate for other, refillable container, which are automatically closed by a double flap, even if they have an additional cover or are firmly connected to a nozzle tube.
  • Such containers may for example be oil tanks for motor oil of motor vehicles or even water tanks of ships etc.
  • a support of the type mentioned is from the AT 009 752 U1 known.
  • a filler neck is described, which has an inclined lower sealing flap, which is articulated below the pivoting range of an upper flap, thus has to be opened to open by more than 90 °.
  • closed Condition the combination of both flaps occupies a smaller space, there is no reduction in the space required for the functional area, since the space obtained by the inclined lower sealing flap is compensated by the increased swing radius again.
  • Closing without the need for a cover stoppers are also from the DE 203 09 799.8 U known.
  • the nozzle closure described there the nozzle is closed by two flaps, which are arranged one above the other in the nozzle and are held by the force of a respective closing spring in contact with a sealing surface.
  • the two flaps are pressed down, resulting in a continuous opening.
  • the EP 1319545A describes such a method for preventing filling of a nozzle with unsuitable fuel.
  • distributed in the neck over the circumference distributed hooks are arranged, which have a bent central region, which is then pushed away from the front edge of the fuel nozzle when the fuel nozzle has a sufficient diameter.
  • this nozzle provides a way to avoid misfuelling, but it has the disadvantage that although the fuel nozzle is not fully inserted into the nozzle can be, but with appropriate disregard of the safety regulation still filling the nozzle with at least a small amount would be possible because the security elements no lid is blocked, but only the insertion of the fuel nozzle is prevented in the nozzle. However, this does not prevent that when hooked, too small pipe of the fuel nozzle, the filling function can not be operated so that then enters a fuel of an unsuitable variety in the nozzle.
  • Another disadvantage of this embodiment is that the displacement of the hook is mechanically very expensive, resulting in an unreliable function.
  • a portion of the hooks are pushed away, so that only some of the hooks come into engagement, which can then bend as a result of the function. Over time, the neck finish may thus be damaged, particularly if the user of the vehicle tries to force the pipe of the fuel nozzle.
  • the EP 1262355 A in turn reveals a capless stub closure which has a fuse in the lower region against filling with incorrect fuel.
  • a transversely displaceable transversely to the nozzle longitudinal locking element is provided above a lower cover, that is displaced laterally by the penetrating pipe section of the fuel nozzle.
  • This embodiment initially has the disadvantage that the fuel nozzle touches directly on the lower cover, so acts on the actual flap of the nozzle. Attempting to refuel with a "wrong" fuel nozzle may cause damage to the sealing flap by the pressure on the unlocked lower flap.
  • Another disadvantage of this embodiment is that by a tilted, oblique attachment of the fuel nozzle also unlocking can be done, although the diameter the pipe of the fuel nozzle is actually too small. Further, the engagement of the lower cover plate in the groove of the displacement element is relatively susceptible to interference, as damaged by dirt or wear as a result of regularly occurring lateral sliding of the pipe in the sliding element, this groove or disengaged. In this case, however, the function of safety is canceled, so that even with smaller pipe diameters, the lower cover can be folded down.
  • Another disadvantage of this embodiment is that the fuse allows that the trunk of an unsuitable fuel nozzle can be inserted comparatively deep before the driver can determine that the fuel nozzle actually does not fit into the nozzle.
  • many users will not realize this but instead either think that it would be normal in the design that the pipe section of the fuel nozzle can not be completely sunk or assume a defective neck. This may result in these users either forcibly pushing on or refueling, which in turn causes the gas to enter the area between the top of the neck finish and the bottom cover, either through the legally prescribed recirculation into the fuel tank but enters the fuel tank or runs into the expansion tank. Both are not desirable in practice for understandable reasons.
  • the WO 2006/084908 describes a Stutzenab gleich with two pivoting flaps as a capless closure, in which case the upper pivoting flap is designed to protect against filling with unsuitable fuel and the actual seal of the tank is formed by the lower pivoting flap.
  • capless nozzles are not sufficiently safe against the insertion of a Abpumpschlauches in theft intent. This is usually achieved via external cover flaps, and their locking can usually be relatively easily levered.
  • the object of the invention is therefore to provide a self-closing and by the pressure of a dispensing tube to be opened Stutzenab gleich of the aforementioned type, which is additionally optimized in terms of space requirements and in a further embodiment in terms of the theft protection.
  • a StutzenabRIC which is characterized in that the lower sealing flap is arranged such that it is arranged in the closed state not only at an angle to the perpendicular to the nozzle axis (S) arranged cross-sectional plane but that and the An articulation point of the lower sealing flap is arranged above the lower end of the first circular segment path.
  • this object is achieved in that in addition as Abpump- and theft protection below the lower sealing flap formed by a mechanical Ein 1500sperre, liquid-permeable anti-theft device for protection against the insertion of a pipe or hose is provided, which in particular by a portion of the space gain, the as a result of the solution of the space can be achieved is possible.
  • the invention now moves the lower sealing flap upwards, in the direction of the upper pivoting flap.
  • the lower sealing flap since it opens first and pivots down, can be opened without collision with the lower sealing flap, the lower sealing flap is inclined, so that it lies outside the line of movement of the upper pivoting flap.
  • it may be bent so that even better space utilization in the longitudinal direction of the nozzle is possible, but in this case it may be necessary, depending on the valve size and nozzle diameter, to slightly bulge the side wall of the pipe socket.
  • the high set lower sealing flap still leaves sufficient space to activate the shut-off function of the fuel nozzle when the discharge tube is not inserted low enough.
  • the space obtained below the lower sealing flap can be used to either reduce the size of the nozzle unit or or and possibly also provide a theft protection.
  • a second aspect of the invention is the improved protection against pumping or suction of the container contents. This is inventively achieved by a mechanical lock, which is arranged below the lower sealing flap.
  • This anti-theft agent is permeable to liquids, so it does not disturb the refueling. However, it prevents pipes or hoses from being inserted so deeply into the tank that they submerge in the liquid level and allow them to suck in liquid.
  • FIG. 1 a schematic side view of a nozzle according to the invention
  • FIG. 2 the neck finish FIG. 1 with inserted filler pipe
  • FIG. 3 a further embodiment of a Stutzenab gleiches in a side view with an upper safety mechanism against misfuelling
  • FIG. 4 a Stutzenab gleich with an anti-theft device and a predetermined breaking point in a side view in section
  • FIG. 5 a schematic view of a double flap arrangement
  • FIG. 6 a schematic view of another double flap arrangement
  • FIG. 7 a schematic view of a third double flap arrangement
  • FIG. 8 a top view of a sieve-shaped anti-theft device in the lower pipe socket
  • FIG. 9 Another variant of the anti-theft device with lateral hose outlet
  • FIG. 10 a third variant of the anti-theft device
  • FIG. 11 a fourth variant of the anti-theft device.
  • the Figures 2 . 4 . 7 and 9-11 relate to other embodiments that are not inventive
  • FIGS. 1 and 2 show a Stutzenab gleich invention for the filler neck of a container.
  • a container may, as in the illustrated embodiment, be the tank of a motor vehicle.
  • This container has a double flap closure, which is formed by the upper pivot flap 12 and the lower sealing flap 2.
  • the nozzle insert is widened in diameter compared to the lower portion of the filler neck 1 in order to accommodate the locking mechanism and around the filler pipe 4 of a fuel nozzle, as in FIG. 2 shown to be able to introduce.
  • the filler neck 1 extends long straight or curved nozzle axis S and passes the filled fuel into the tank of a motor vehicle.
  • the nozzle end may be formed in two parts, wherein an inner, the closure mechanism bearing plug-in tube is inserted into an outer holding tube of the filler neck 1. Between the two components arranged seals ensure that a gas and liquid-tight connection is realized.
  • the compound can also be secured via detachable plug or clip connections against accidental withdrawal, such as when the user exerts a lateral force on the nozzle insert while pulling out the fuel nozzle while pulling on the gun.
  • the connection can be made detachable for exchanging the insert, preferably in such a way that it can only be released by a specialist using a special tool.
  • Such a connection may for example be formed by resilient latching elements which are gripped on the underside of the nozzle insert so that they can be withdrawn inwards.
  • a special tool can be inserted through the insertion channel of the fuel nozzle 4 in the nozzle, which has circular elements which engage the resilient latching noses and can pull inwards.
  • the nozzle insert can also be screwed into the outer tube via a screw or bayonet connection.
  • the insert carrying the closure mechanism with the inner holding tube is preferably made of plastic.
  • the outer region of the filler neck 1 may also be made of plastic or even of a sheet metal material, depending on the requirements of the filler neck 1 and at its upper portion.
  • the in the FIGS. 1 and 2 embodiment shown has at the bottom of a connection with the pipe of a filler neck 1.
  • the Stutzenab gleich is again formed as a separate component, so that it is connectable to the pipe of the filler neck, and this connection can be secured by appropriate measures.
  • the advantage of this two-part design is that in case of maintenance, such as when the shutter mechanism should fail, the entire nozzle attachment can be removed, so that it can be offered and installed as a separate spare part.
  • the neck finish can be made of a different material than the lower portion of the filler neck.
  • the stub shots according to the invention are used not only in complete new constructions, but also in the context of the facelift of a motor vehicle. In both cases, there is often the problem that due to the required design or other reasons not enough Space is available to obstruct an arbitrarily large Stutzenab gleich can.
  • the pivoting range of the upper filler flap 5 closing upper flap 12 is fixed, since the hinge point 1 opposite edge of the flap 12 is moved along a first circular segment path K1.
  • the closing flaps that is to say the upper closing flap 12 and the lower sealing flap 2 are moved independently of one another, and therefore do not influence one another. This would be the case, for example, if the upper closure flap 12 were pressed against the lower sealing flap 2 in the course of the pivoting movement and could thus open it automatically.
  • the known stub closures have for the reasons mentioned above, a distance between the upper flap 12 and the lower sealing flap 2, which corresponds at least to the radius of the circular segment path K1. This leads to a predetermined space, as well as below the lower sealing flap 2, the free end is moved along the circular segment path K2, a corresponding pivot radius must be available in the interior of the neck finish.
  • the pivot point A2 of the lower sealing flap 2 is offset upwards within the neck finish.
  • the lower sealing flap 2 is now no longer horizontally, but angled down so that they outside the range of motion of the upper Swing flap 12 remains.
  • An optimal result is achieved if the mechanism of the lower sealing flap 2 snuggles substantially tangentially to the pivoting radius of the upper pivoting flap, of course, a certain distance should remain to avoid contact of the flaps.
  • the composite of the sealing flap 2, the linkage A2 and the opposite abutment stop in the middle region is slightly deeper, because as here, for example, the sealing flap is offset relative to the stop and the abutment stop down, the stop the abutment flap also be set higher, so that there is an additional space gain.
  • Essential for the invention is the fact that is arranged by the inclination of the lower sealing flap 2, the upward contour of the composite so that it is outside the line of movement of the outermost region of the upper pivoting flap 12, but as high as possible.
  • the gain in space in the region of the upper neck finish is not only due to the fact that the attachment point A2 of the lower sealing flap 2 is offset upwards, but also in that the circular segment path K2, along which the outer, free edge of the lower sealing flap 2 is moved , no Quarter circle is more but just a fraction of the former quadrant, which is reduced by the angle of skew compared to the quadrant.
  • the achievable shortening of the upper portion of the filler neck is thus determined essentially by the length of the saved path of the lower circle segment K2 compared to the quarter circle.
  • FIGS. 1 and 2 Another, not shown here embodiment of a neck finish has a lower sealing flap 2, which is concave from the view of the upper filler opening 5.
  • This concave training leads to that in the FIGS. 1 and 2 shown central depression area is realized even without the offset of the lower sealing flap 2 relative to the pivot point A2 and the opposite abutment, so that the available space can be optimized in the same way. Since the upper pivot flap 12, as well as the nozzle end itself, is round in cross-section, a central central depression of the lower sealing flap 12 is sufficient to achieve this effect.
  • the lower sealing flap 2 can be arranged within the neck finish so that it is pivotable with the front, the pivot point A2 opposite region in the narrower region of the lower filler neck 1. This area can then be designed to be round, so that due to the larger diameter of the lower sealing flap 2 relative to the filler neck 1, this closure flap can only be opened by a certain angular degree, which of course must be sufficiently large to allow the required amount of fuel through. However, it will be preferred that the lower sealing flap 2 can be pivoted so far that the nozzle with its filling tube 4 can be pushed completely through it. This has the advantage that there is an unambiguous filling position, which is achieved after insertion by several centimeters, so that a safe feeling for the user during insertion of the filling tube 4 in the capless closure mechanism is created.
  • the neck finish itself and also, if it is formed relative to the other filler neck 1 as an additional component, designed so that it can be plugged only in a clear orientation.
  • This can be realized, for example, that between the inner, the Flap retaining tube and the outer holding tube of in FIG. 1 shown, two-part upper Stutzenab gleiches, Nutfedereuren are provided, so that the inner part of the Stutzenab gleiches is used only in one, in the direction of rotation unique orientation.
  • Another particularly preferred feature of one of the NutfederNK described above may be that the affiliation of the inner region is fixable to the outer region. Such a provision is useful, for example, when various internal inserts are used within a vehicle series of a manufacturer, so that there could be a risk that a non-matching insert element is used in the assembly or replacement case. Furthermore, for example, to avoid incorrect refueling, the diameters of the upper filler opening and also of the closing flaps, ie the upper pivot flap 12 and the lower sealing flap 2, for gasoline vehicles may be kept so small that they can not be refueled with a diesel filler pipe 4.
  • a corresponding coding can be provided in the lower region in the case of a two-part filler neck, that is to say an upper, neck holding the mechanism and a lower filler neck.
  • a corresponding coding and encryption can also be realized in that the nozzle attachment in the lower region, ie in the approach region to the lower filler neck 1 is not circular but oval in cross-section.
  • Connection region of the lower pipe socket must then of course also be formed with the same cross-sectional geometry oval, so that the two components can be inserted into each other.
  • an orientation of the installation position can then also be defined and an encryption, ie a uniqueness in the assembly, realized.
  • FIG. 3 a further embodiment of a Stutzenab gleiches is shown, which also has to each other articulation points of the upper pivoting flap 12 and the lower sealing flap 2.
  • the upper Locking mechanism designed such that it provides for a first theft protection and on the other hand includes a backup against incorrect refueling.
  • the shutter mechanism will be described in more detail below.
  • the nozzle end is also formed here by a pipe section 1a, which is closed in the upper area by a capless closure mechanism 3.
  • the upper pivot valve 12 containing shutter mechanism 3 the lower sealing flap 2 is provided, which seals the nozzle.
  • the sealing flap via a spring against a sealing surface (not shown here) employed.
  • an upper filling opening 5 is provided, through which the dispensing tube 4 of the fuel nozzle can be introduced into the nozzle 1.
  • the closure mechanism 3 is overcome as described below, then first the pivoting flap 12 and finally the lower sealing flap 2 is opened.
  • the shutter mechanism 3 prevents opening of the pipe socket without the insertion of a fuel nozzle.
  • the closure mechanism 3 can only be opened when a fuel nozzle is set to fill a suitable fuel.
  • a ring element 14 is inserted into the upper nozzle portion of the pipe section 1, in which in turn a sliding element is guided at right angles to the nozzle axis displaceable.
  • the sliding element has a U-shaped form, wherein it could also be formed as a completely closed element as well. It is only essential here that it has a passage through which the dispensing tube 4 can be inserted.
  • locking means 7 are depressed, which engage positively with upper areas in recesses in the sliding element.
  • the locking means 7 are disengaged, the sliding element is released and can then be moved in the lateral direction (see arrow direction).
  • an inclined plane is formed as a sliding surface 10, which is incorporated in the inner circumferential surface of the ring element 14.
  • This sliding surface 10 is inclined by an angle ⁇ relative to the nozzle axis of the pipe section 1 and causes a lateral offset of the plugged through the sliding element dispensing tube 10, when this is further introduced into the pipe socket 1.
  • the delivery tube 4 is now pressed against the sliding element, which in turn causes the sliding element to slide sideways until the area above the upper filling opening is completely released for the insertion of the fuel nozzle.
  • this unlocking and the subsequent displacement of the sliding element are only possible if the two opposite locking means 7 are depressed by the lower edge of the fuel nozzle. If this is not large enough, because the diameter of the dispensing tube 10 is too small, either no or only one locking means 7 can be depressed, which does not cancel the lock.
  • the locking mechanism protected by a cap 11 having a slot for insertion of the dispensing tube 4, wherein the width of the slot is slightly larger than the diameter of the dispensing tube 4 and the length of the slot substantially the displacement of the sliding element equivalent.
  • a conventional lid may be used, which may be connected via a screw or bayonet connection with the nozzle end.
  • the first, upper pivoting flap 12 is provided, which is pivotable about a first pivot point A2 and in addition to a protection against coarse dirt causes a theft and a first seal.
  • it is hinged to the sliding element and is moved with this.
  • On the opposite side it engages in an engagement groove 13, which defines the additional closure flap 12 in the closed state.
  • a return spring after removing the pump nozzle, the flap 12 back so that they can then engage in sliding back of the sliding element in the engagement groove 13.
  • the pivotable about the pivot point A2 down lower sealing flap 2 here consists of a arranged on a pivot bearing 15 pivoting flap, which is pressed by the force of a closing spring against a bearing edge in the pipe socket 1 of the filler neck, including a seal 16.
  • the sealing flap 2 has a pressure region against which the lower edge of the fuel nozzle can be supported.
  • a positive pressure bypass 19 and a negative pressure bypass 18, can be compensated by the negative pressure or overpressures.
  • all types of pressure valves can be used.
  • FIG. 4 shows a further embodiment of a neck finish with a further, independent of the aspects described above aspect of the invention.
  • the lower sealing flap 2 is straight, however, including anti-theft means 25 are provided.
  • the neck end itself is provided with a predetermined breaking point 20, which is formed by an impressed from the outside into the neck wall, groove-like depression, so that here results in a material weakening.
  • This predetermined breaking point 20 has the meaning that when an impermissible transverse force occurs, the upper portion of the neck finish while maintaining the Can close off sealing effect of the lower sealing flap 2 and so despite an impermissibly high lateral force, the sealing effect of the filler neck is substantially maintained.
  • FIG. 4 Another essential aspect of the present invention is in FIG. 4 shown.
  • This anti-theft device 25 can also be used in conjunction with the conventional nozzle terminations, which are mentioned for example in the introduction, regardless of the features described above.
  • the applicant expressly reserves the right to claim this complex described below as an independent invention, possibly also in the context of a divisional application.
  • usually coverless closure mechanisms of the generic type is basically the possibility to introduce through the double flap cover in theft intention a hose or pipe to pump out the contents of the tank.
  • the generic Stutzenab ditch are usually without additional upper cap, which could be screwed via a bayonet or screw on the Stutzenab gleich used to allow a particularly light refueling without risk of loss to such a lid.
  • a capless closure is then covered by an external pivoting flap in the vehicle body, which can be locked via the central locking.
  • a third party could insert a hose through the flaps in the filler neck 1 and pump off fuel.
  • this tube can be inserted so deeply into the filler neck 1 that it comes into contact with the liquid to be pumped and sufficiently deep therein can dive.
  • the hose would therefore have to be led into the fuel container through the filler neck 1.
  • the theft protection of theft prevention means 25 is formed, which are formed here in the form of extending transversely to the drawing plane Ein 1500sperren.
  • Ein 1500sperren are formed by individual struts, wherein the number and the amount of struts should be chosen so that a conventional tube is not push-through, but on the other hand, the discharge of the filled fuel is possible.
  • a labyrinthine inlet channel, a sieve or any other component which allows a liquid to pass through but is impermeable to a hose or a tube.
  • a labyrinthine inlet channel can have a multiply wound flow channel so that a tube can not be inserted at all or only with difficulty.
  • a corresponding narrowness of the channel may allow the permeability of the fuel while the passage for a hose is blocked.
  • a further theft protection measure provides that in the outer side wall of the filler neck, a lateral opening 26 (not shown here) is provided, which is above a safety flap 27 (not shown here) is provided. Through this lateral opening, a penetrating hose can be guided over the anti-theft device 25 to the outside, so that the thief has the impression that he had inserted the hose into the filler neck 1. Instead, however, he introduces him along the neck on the outside, so that he can not reach the liquid level of the fuel and emanating from an empty motor vehicle. In this case, the thief cancel the theft attempt in the erroneous assumption that the fuel tank is not sufficiently filled.
  • a lateral opening 26 (not shown here) is provided, which is above a safety flap 27 (not shown here) is provided.
  • a penetrating hose can be guided over the anti-theft device 25 to the outside, so that the thief has the impression that he had inserted the hose into the filler neck 1. Instead,
  • FIGS. 5 and 6 Two embodiments of a Stutzenab gleiches are shown schematically, the two basic arrangements of the upper pivot flap 12 and the lower flap 2 show.
  • FIG. 5 illustrated embodiment is an embodiment that similar to the in FIG. 1 and 2 illustrated embodiments is.
  • the pivot point A1 and the pivot point A2 are respectively arranged opposite each other, wherein the upper pivot flap 12 and the lower sealing flap 2 pivot in opposite directions to each other.
  • the function of this embodiment has already been described in connection with FIG. 1 described.
  • FIG. 6 another embodiment of a filler neck 1 is shown, in which also the two pivot points A1 and A2 are arranged opposite one another.
  • the lower sealing flap 2 is formed bent, so that there is an even greater nestling on the first circular segment path K1.
  • the pipe socket 1 is bulged in the unfolded lower sealing flap 2, that the curved lower sealing flap 2 can be opened so far that the filler pipe 4 a fuel nozzle (not shown here) can be fully inserted.
  • FIG. 7 is a third embodiment of a principle for a ncht vell wirhsames shortening of a neck finish shown.
  • the attachment points A1 and A2 are arranged on the same side of the nozzle tube 1, wherein the attachment point A1 is arranged lower than the stop for the free end of the sealing flap. So that this sealing flap 2 can be swung open, a bulge is also provided in the region of the neck tube 1, which is opposite the attachment point A2, so that the free end of the sealing flap 2 can be pivoted along the circular path K2, which runs through this bulge.
  • This embodiment yet Fig. 7 is not according to the invention.
  • FIG. 8 again shows an anti-theft device 25 in the form of a sieve, which is provided within the lower portion of the neck finish.
  • This anti-theft device 25 may of course be provided at any point of the pipe socket 1, even just before entering the fuel tank.
  • it is preferably arranged in the upper area, so that it can be exchanged and mounted together with the neck finish or the insert.
  • Such an anti-theft means 25 may either be connected directly to the wall of the neck finish or attached to a separate ring body or sleeve inserted in the neck finish.
  • the Anti-theft device 25 may be attached to a cylindrical ring which is inserted into the nozzle end prior to assembly of the upper functional means comprising the lower sealing flap 2 and the upper pivoting flap 12 and the other closure means. Down such a ring can not fall out because it is secured by the retaining edge 24 from slipping out.
  • the receptacle for the lower sealing flap 2 can secure the ring then upwards, alternatively it can be secured against slipping by a Nutfederfact or a corresponding sliding seat.
  • an anti-theft device 25 is shown, which is arranged below the lower sealing flap 2 and its, predetermined by the circular segment path K2 pivoting range.
  • the anti-theft device 25 may, as already described in connection with the lower sealing flap 2, be inclined to avoid an increase in height or be formed concave from the perspective of the filling opening 5. Both measures can also be combined to reduce space requirements.
  • Trained as a flap lower anti-theft device 25 is also formed here liquid-permeable, so formed for example as a sieve or grid.
  • This sieve or grid until it abuts against a stop 28, be designed to be pivotable.
  • this inclined plane of the tube inserted in the theft intention slides off and through the lateral opening 26 is led out in the wall of the nozzle tube 1.
  • this lateral opening 26 is so large that the hose can abut against the lower edge and without being trapped. In this way, it is impossible for the thief to continue to poke in the nozzle or to exert destructive force on the theft prevention means 25.
  • this lateral opening can be closed by a spring-loaded safety flap 27.
  • This safety flap 27 is pushed open by the hose, but otherwise is closed in a sealed manner.
  • the spring has a corresponding closing force.
  • FIG. 10 a further embodiment of an anti-theft device 25 is shown.
  • This anti-theft device 25 is also pivotable through the penetrating hose, but here the security flap 27 is designed so that it is held by the pivotable anti-theft device 25.
  • the anti-theft device 25 is not pivoted during the entire service life of the motor vehicle, so that here is a firm connection between the anti-theft device 25 via the interlocking interventions Safety flap 27 is possible. Only then, when the hose is executed in theft intention, the anti-theft device 25 is disengaged and the safety flap 27 is released. In this case, the already in conjunction with FIG. 9 described Ausleitmaschine the hose through the side opening 26 led out of the pipe socket 1.
  • the execution after FIG. 10 has the particular advantage that the safety flap 27 is firmly locked, so that leakage of fuel is avoided even in case of accident.
  • the connection via the positive connection can be made very reliable, so that a secure seal of the lateral opening 26 is ensured.
  • FIG. 11 shows an alternative embodiment of an anti-theft device 25, in which the lateral opening 26 and the safety flap 27 are arranged above the lower end of the anti-theft device 25.
  • This anti-theft device 25 is formed bent, so that here too the penetrating hose - as shown schematically - slides on the top of the anti-theft device 25 and is guided through the opening 26 outside of the pipe socket 1.
  • the anti-theft device 25 is formed as a solid grid. Again, the anti-theft device 25 may be rotated by a small angle of rotation, so that, for example, on the side of the side opening 26 is provided slightly below a stop which allows a rotation of the anti-theft device by a few degrees.
  • this anti-theft device can also be a positive locking mechanism disengaged, the safety flap 27 in the manner of in FIG. 10 shown embodiment releases.
  • a release of the safety flap 27 is also possible in this embodiment by a slight pivoting as a result of the pressure of the penetrating hose.
  • the locking means of the positive closure do not interfere with the discharge of the hose, they may for example be provided on the two sides of the side opening 26 and not at the bottom of the lateral opening 26, so that the bent hose can not abut an edge of the locking means ,
  • the utility guard 25 should be designed so that the hose can easily slide off it without jamming with a rim or loop. This is especially by fine mesh screens, bars, whose longitudinal orientation is aligned parallel to the direction of sliding of the hose or similar measures ensured.

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  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Closures For Containers (AREA)

Abstract

L'invention concerne un raccord de tubulure notamment dépourvu de couvercle, destiné à un contenant, notamment à un réservoir de carburant, comportant une fermeture à double clapet composée d'un clapet pivotant supérieur (12) et d'un clapet joint inférieur (2). De tels raccords de tubulure ont été déposés sous WO 2006/084908, mais ceux-ci sont trop encombrants et ne sont pas parfaitement sécurisés contre le siphonnage du réservoir. L'invention améliore ces points du fait que le clapet joint inférieur est disposé de telle manière qu'à l'état fermé, ledit clapet forme un angle par rapport au plan de section transversale perpendiculaire à l'axe de tubulure (S), et soit le point d'articulation, soit, à l'état fermé, l'extrémité du clapet joint inférieur opposée au point d'articulation, sont disposés au-dessus de l'extrémité inférieure de la première trajectoire en arc de cercle. Un élément antivol (25) sous forme de verrou mécanique est par ailleurs prévu en dessous de la fermeture à double clapet.

Claims (14)

  1. Terminaison de tubulure pour une tubulure de remplissage d'un récipient, en particulier d'un réservoir d'un véhicule, comprenant un bout de tuyau (1) s'étendant le long d'un axe de tubulure (S) et un mécanisme de fermeture (3), qui présente un clapet basculant (12) supérieur disposé dans le bout de tuyau (1) et un clapet d'étanchéité (2) inférieur disposé au-dessous, le clapet basculant (12) supérieur et le clapet d'étanchéité (2) inférieur étant articulés dans la tubulure de tuyau (1a) sur un côté autour d'un point d'articulation (A1, A2) et respectivement le clapet basculant (12) supérieur pouvant être ouvert, sous l'effet de la pression d'un tuyau de remplissage introduit, avec son extrémité opposée au point d'articulation (A1) le long d'une première bande de segment circulaire (K1) sous l'effet d'un mouvement basculant autour du point d'articulation (A1) et le clapet d'étanchéité (2) inférieur pouvant être ouvert en raison d'un mouvement basculant autour du point d'articulation (A2) le long d'une seconde bande de segment circulaire (K2), le clapet d'étanchéité (2) inférieur étant disposé de telle sorte que, dans l'état fermé, il est disposé dans un angle par rapport au plan de section transversale disposé perpendiculairement à l'axe de tubulure (S), caractérisée en ce que le point d'articulation (A2) est disposé au-dessus de l'extrémité inférieure de la première bande de segment circulaire (K1), le point d'articulation (A1) du clapet basculant (12) supérieur et le point d'articulation (A2) du clapet d'étanchéité (2) inférieur étant disposés en se faisant face.
  2. Terminaison de tubulure selon la revendication 1, caractérisée en ce que le clapet d'étanchéité (2) inférieur est disposé au-dessous d'une tangente, parallèle au clapet d'étanchéité (2) inférieur fermé, de la première bande de segment circulaire (K1).
  3. Terminaison de tubulure selon la revendication 1, caractérisée en ce que le clapet d'étanchéité (2) inférieur est conçu de façon incurvée, le clapet d'étanchéité (2) inférieur étant disposé, de telle sorte que le côté concave est orienté vers le haut.
  4. Terminaison de tubulure selon la revendication 3, caractérisée en ce que le rayon de courbure du clapet d'étanchéité (2) inférieur correspond au rayon de la première bande de segment circulaire (K1).
  5. Terminaison de tubulure selon l'une des revendications 1 à 4, caractérisée en ce qu'un moyen de protection antivol (25), formé par un blocage d'introduction mécanique et perméable au liquide, est prévu comme protection de pompage et antivol au-dessous du clapet d'étanchéité inférieur pour la protection contre l'introduction d'un tuyau ou d'un flexible.
  6. Terminaison de tubulure selon la revendication précédente, caractérisée en ce que le moyen de protection antivol (25) est formé par au moins une entretoise disposée en angle, en particulier à angle droit par rapport à l'axe de tubulure (S).
  7. Terminaison de tubulure selon la revendication 5, caractérisée en ce que le moyen de protection antivol (25) est formé par un tamis.
  8. Terminaison de tubulure selon l'une des revendications 5 à 7, caractérisée en ce qu'une ouverture (26) latérale est prévue au-dessous du moyen de protection antivol (25) dans la tubulure de tuyau (1a), le moyen de protection antivol (25) étant conçu de façon basculante et étant articulé et conçu indirectement ou directement dans la tubulure de tuyau (1a), de telle sorte que, lorsque le moyen de protection antivol (25) est basculé, un corps de flexible ou de tuyau entrant est guidé par l'ouverture (26) latérale à la sortie de la tubulure de tuyau (1a).
  9. Terminaison de tubulure selon la revendication 8 caractérisée en ce que l'ouverture (26) latérale est fermée par un clapet de sécurité (27), la zone de basculement du moyen de protection antivol (25) étant limitée par une butée (28) et le moyen de protection antivol (25) formant un plan oblique, entrant dans l'ouverture (26) latérale, pour un angle de basculement maximal et le clapet de sécurité (27) pouvant être ouvert contre la force d'un ressort de rappel pour la déviation du corps de flexible ou de tuyau entrant dans le but du vol.
  10. Terminaison de tubulure selon la revendication 9, caractérisée en ce que le clapet de sécurité (27) est verrouillé, le verrouillage étant conçu de telle sorte qu'il est supprimé par le mouvement de basculement du moyen de protection antivol (25).
  11. Terminaison de tubulure selon l'une des revendications 5 à 7, caractérisée en ce que le moyen de protection antivol (25) est disposé en biais dans la tubulure de tuyau (1a) et l'ouverture (26) latérale est prévue au-dessus du moyen de protection antivol (25) dans la zone inférieure de la tubulure de tuyau (1a) pour la déviation d'un corps de flexible ou de tuyau introduit dans le but du vol et l'ouverture (26) latérale est fermée par un clapet de fermeture sollicité par ressort.
  12. Terminaison de tubulure selon l'une des revendications 5 à 11, caractérisée en ce que le moyen de protection antivol (25) est disposé au-dessous du bord supérieur de la terminaison de tubulure, de telle sorte qu'un pistolet distributeur, introduit complètement dans la terminaison de tubulure, ne peut pas dépasser avec son tuyau de distribution (4) jusqu'au moyen de protection antivol (25) dans la tubulure de tuyau (1a).
  13. Terminaison de tubulure selon l'une des revendications précédentes, caractérisée en ce qu'elle est conçue comme terminaison ou extrémité supérieure d'une tubulure de remplissage d'un réservoir d'un véhicule, comprenant un espace d'entrée supérieur, formant une zone d'introduction pour un pistolet distributeur, entouré d'une paroi latérale, le clapet d'étanchéité (2) inférieur, disposé dans l'espace d'entrée, un mécanisme de fermeture (3) disposé au-dessus du clapet d'étanchéité (2) inférieur, le mécanisme de fermeture (3) présentant une ouverture d'introduction (5) supérieure et au moins un revêtement (6) supérieur recouvrant au moins partiellement l'ouverture de remplissage (5) supérieur dans l'état fermé, et étant conçu de telle sorte que le revêtement (6) supérieur est refoulé par l'introduction du tuyau de distribution (4) d'un pistolet distributeur dans l'espace d'entrée pour la libération de l'ouverture de remplissage (5) supérieure, afin de permettre l'introduction du tuyau de distribution (4) par l'ouverture de remplissage (5) supérieure et par le clapet d'étanchéité (2) inférieur, et le revêtement (6) supérieur étant bloqué dans l'état fermé par au moins un moyen de verrouillage (7) pour former une sécurité vis-à-vis du remplissage du réservoir avec du carburant inapproprié, lequel moyen de verrouillage est conçu de telle sorte qu'il ne peut être déverrouillé qu'en faisant le plein avec le carburant approprié, en fonction de la forme, spécifique au type de carburant, du tuyau de distribution (4) du pistolet distributeur.
  14. Terminaison de tubulure selon la revendication 13, caractérisée en ce que l'espace d'entrée est conçu comme bout de tuyau (1) avec une section constante ou variable et le moyen de verrouillage (7) est formé par un moyen de blocage, qui est monté de telle sorte qu'il peut être refoulé par le tuyau de distribution (4) pour le déverrouillage du revêtement (6) supérieur à partir de la position de blocage, la terminaison de tubulure présentant au-dessus de l'ouverture de remplissage (5) supérieure une surface de glissement (10) disposée dans un angle (α) par rapport à l'axe longitudinal du bout de tuyau (1), surface le long de laquelle le tuyau de distribution (4) est guidé, en cas d'introduction dans le bout de tuyau (1), en glissant depuis une position initiale décalée sur le côté par rapport à l'ouverture de remplissage (5) supérieure jusqu'à une position d'introduction coïncidant avec l'ouverture de remplissage (5) supérieure.
EP09742172A 2008-05-09 2009-05-11 Raccord pour tubulure de remplissage Active EP2276644B1 (fr)

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DE102008022912 2008-05-09
PCT/EP2009/055682 WO2009135954A2 (fr) 2008-05-09 2009-05-11 Raccord pour tubulure de remplissage

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EP2276644A2 EP2276644A2 (fr) 2011-01-26
EP2276644B1 true EP2276644B1 (fr) 2012-07-18

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EP (1) EP2276644B1 (fr)
JP (1) JP5624022B2 (fr)
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CN102036847B (zh) 2014-09-03
US20110108563A1 (en) 2011-05-12
JP2011519774A (ja) 2011-07-14
US8869846B2 (en) 2014-10-28
CN102036847A (zh) 2011-04-27
WO2009135954A3 (fr) 2010-01-28
JP5624022B2 (ja) 2014-11-12
EP2276644A2 (fr) 2011-01-26
WO2009135954A2 (fr) 2009-11-12

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